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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Stefan Roese900c1772012-08-27 12:50:59 +02002/*
3 * Copyright (C) 2012 Stefan Roese <sr@denx.de>
Stefan Roese900c1772012-08-27 12:50:59 +02004 */
5
Tom Rini728cb882024-04-27 08:11:00 -06006#include <config.h>
Simon Glass2dc9c342020-05-10 11:40:01 -06007#include <image.h>
Sean Anderson952ed672023-10-14 16:47:44 -04008#include <imx_container.h>
Simon Glass0f2af882020-05-10 11:40:05 -06009#include <log.h>
Stefan Roese900c1772012-08-27 12:50:59 +020010#include <spl.h>
Sean Anderson2a5d23f2023-11-08 11:48:53 -050011#include <spl_load.h>
Stefan Roese900c1772012-08-27 12:50:59 +020012
York Sun79757252018-06-26 10:10:03 -070013static ulong spl_nor_load_read(struct spl_load_info *load, ulong sector,
14 ulong count, void *buf)
15{
16 debug("%s: sector %lx, count %lx, buf %p\n",
17 __func__, sector, count, buf);
Sean Anderson5ff77722023-10-14 16:47:55 -040018 memcpy(buf, map_sysmem(sector, count), count);
York Sun79757252018-06-26 10:10:03 -070019
20 return count;
21}
York Sun79757252018-06-26 10:10:03 -070022
Peng Fan6e773f92019-09-23 10:18:42 +080023unsigned long __weak spl_nor_get_uboot_base(void)
24{
Tom Rini6a5dccc2022-11-16 13:10:41 -050025 return CFG_SYS_UBOOT_BASE;
Peng Fan6e773f92019-09-23 10:18:42 +080026}
27
Simon Glassee306792016-09-24 18:20:13 -060028static int spl_nor_load_image(struct spl_image_info *spl_image,
29 struct spl_boot_device *bootdev)
Stefan Roese900c1772012-08-27 12:50:59 +020030{
Sean Anderson2a5d23f2023-11-08 11:48:53 -050031 struct spl_load_info load;
York Sun79757252018-06-26 10:10:03 -070032
Stefan Roese900c1772012-08-27 12:50:59 +020033 /*
34 * Loading of the payload to SDRAM is done with skipping of
35 * the mkimage header in this SPL NOR driver
36 */
Simon Glassee306792016-09-24 18:20:13 -060037 spl_image->flags |= SPL_COPY_PAYLOAD_ONLY;
Stefan Roese900c1772012-08-27 12:50:59 +020038
Tom Rinic2e78882021-10-30 23:03:48 -040039#if CONFIG_IS_ENABLED(OS_BOOT)
Masahiro Yamada225581b2015-01-08 19:23:35 +090040 if (!spl_start_uboot()) {
Stefan Roese900c1772012-08-27 12:50:59 +020041 /*
42 * Load Linux from its location in NOR flash to its defined
43 * location in SDRAM
44 */
Sean Anderson2a5d23f2023-11-08 11:48:53 -050045 const struct legacy_img_hdr *header =
46 (const struct legacy_img_hdr *)CONFIG_SYS_OS_BASE;
York Sun79757252018-06-26 10:10:03 -070047#ifdef CONFIG_SPL_LOAD_FIT
48 if (image_get_magic(header) == FDT_MAGIC) {
Stefan Roese4ee4cf92020-04-21 09:28:44 +020049 int ret;
50
York Sun79757252018-06-26 10:10:03 -070051 debug("Found FIT\n");
Sean Anderson35f15fe2023-11-08 11:48:43 -050052 spl_set_bl_len(&load, 1);
York Sun79757252018-06-26 10:10:03 -070053 load.read = spl_nor_load_read;
Stefan Roese900c1772012-08-27 12:50:59 +020054
York Sun79757252018-06-26 10:10:03 -070055 ret = spl_load_simple_fit(spl_image, &load,
56 CONFIG_SYS_OS_BASE,
57 (void *)header);
58
Simon Glass259cdb42023-09-26 08:14:17 -060059#if defined CONFIG_SPL_PAYLOAD_ARGS_ADDR && defined CONFIG_CMD_SPL_NOR_OFS
60 memcpy((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR,
Lukasz Majewski55ce92e2019-10-15 10:28:45 +020061 (void *)CONFIG_CMD_SPL_NOR_OFS,
62 CONFIG_CMD_SPL_WRITE_SIZE);
63#endif
York Sun79757252018-06-26 10:10:03 -070064 return ret;
65 }
66#endif
Masahiro Yamada225581b2015-01-08 19:23:35 +090067 if (image_get_os(header) == IH_OS_LINUX) {
68 /* happy - was a Linux */
Stefan Roese4ee4cf92020-04-21 09:28:44 +020069 int ret;
Stefan Roese900c1772012-08-27 12:50:59 +020070
Pali Rohárdda8f882022-01-14 14:31:38 +010071 ret = spl_parse_image_header(spl_image, bootdev, header);
Marek Vasut02266e22016-04-29 00:44:54 +020072 if (ret)
73 return ret;
Masahiro Yamada225581b2015-01-08 19:23:35 +090074
Simon Glassee306792016-09-24 18:20:13 -060075 memcpy((void *)spl_image->load_addr,
Masahiro Yamada225581b2015-01-08 19:23:35 +090076 (void *)(CONFIG_SYS_OS_BASE +
Simon Glassbb7d3bb2022-09-06 20:26:52 -060077 sizeof(struct legacy_img_hdr)),
Simon Glassee306792016-09-24 18:20:13 -060078 spl_image->size);
Simon Glass259cdb42023-09-26 08:14:17 -060079#ifdef CONFIG_SPL_PAYLOAD_ARGS_ADDR
80 spl_image->arg = (void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR;
York Sunf0370c02018-06-26 10:10:04 -070081#endif
Masahiro Yamada225581b2015-01-08 19:23:35 +090082
Nikita Kiryanov33eefe42015-11-08 17:11:49 +020083 return 0;
Masahiro Yamada225581b2015-01-08 19:23:35 +090084 } else {
85 puts("The Expected Linux image was not found.\n"
86 "Please check your NOR configuration.\n"
87 "Trying to start u-boot now...\n");
88 }
Stefan Roese900c1772012-08-27 12:50:59 +020089 }
Masahiro Yamada225581b2015-01-08 19:23:35 +090090#endif
91
92 /*
93 * Load real U-Boot from its location in NOR flash to its
94 * defined location in SDRAM
95 */
Sean Anderson2a5d23f2023-11-08 11:48:53 -050096 spl_set_bl_len(&load, 1);
97 load.read = spl_nor_load_read;
98 return spl_load(spl_image, bootdev, &load, 0, spl_nor_get_uboot_base());
Stefan Roese900c1772012-08-27 12:50:59 +020099}
Simon Glass4fc1f252016-11-30 15:30:50 -0700100SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);